package com.qk.management.mapper;

import com.qk.entity.Course;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface CourseMapper {
    List<Course> selectByPage(String name, Integer subject, Integer target);
    //动态插入
    @Insert("insert into course(name, subject, price, target, description, create_time, update_time) values(#{name}, #{subject}, #{price}, #{target}, #{description}, #{createTime}, #{updateTime})")
    void insert(Course course);
    @Delete("delete from course where id = #{id}")
    void deleteById(Integer id);
    @Select("select * from course where id = #{id}")
    Course selectById(Integer id);

    void update(Course course);
    @Select("select * from course")
    List<Course> query(String list);
    @Select("select * from course where subject = #{subject} limit 1")
    Course selectBySubject(Integer subject);
}
